
5. Shapes - Page 141
Pearl 2008 Manual - 16th July 2007
CHAPTER FIVE
5. Shapes
This chapter contains: Selecting a shape; changing the size and speed
of a shape; spreading a shape across multiple fixtures; editing shapes
which are running.
The Pearl, in common with other Avolites consoles, has a shape
generator. This allows you to quickly create exciting light shows using
lots of movement and changes, with the minimum of programming.
A shape is simply a sequence of values which can be applied to any
attribute of a fixture. A “circle” shape, for example, applied to the pan
and tilt attributes, would cause the fixture to move its beam around in
a circular pattern. You can set the centre point of the circle, the size of
the circle and the speed of the circle movement.
In addition to beam position shapes, there are a large number of other
shapes available in the Pearl. The shapes are defined for a particular
attribute such as colour, dimmer, focus and so on. Some shapes will
not work with some fixtures; focus shapes, for example, can produce
nice “focus pull” effects on fixtures which have DMX focusing, but will
do nothing on fixtures which don’t have focusing.
When you use a shape with more than one fixture, you can choose to
either apply the shape identically to all the fixtures, or offset them so
that the shape runs along the fixtures creating “wave” or “ballyhoo”
type effects. This is called the spread of the shape.
5.1 Playback
5.1.1 Selecting a shape
Selecting a shape is very similar to
selecting a value from a palette. When
you choose a shape, it will be applied
to all selected fixtures.
1> Select the fixtures the shape is to
be applied to.
2> Press G [Shape Generator].
3> Press A [Playback a shape].
4> Press one of the A-E softkeys to
apply a shape to the fixtures (or
the F and G softkeys go up and
down the list). The screen
describes the shape for each
button.
• Most shapes are based on the
current settings of the fixture, so
a circle would move around the
current pan-tilt position of the fixture.
• If the shape description says “Even” or “Parallel”, this describes
the Spread of the shape. You can always change this later.
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